//初始化样式
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
dl,
dt,
dd,
ul,
ol,
li,
form,
button,
input,
textarea,
th,
td {
  font-weight: normal;
  margin: 0;
  padding: 0;
  border: 0;
  vertical-align: baseline;
}

body,
button,
input,
select,
textarea,
h1,
h2,
h3,
h4,
h5,
h6,
i {
  font: normal 1.2rem BlinkMacSystemFont, Helvetica Neue, PingFang SC, Microsoft YaHei, sans-serif;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
}

ul,
ol,
li {
  list-style: none;
}

a {
  text-decoration: none;
  color: #333;
}

a:hover {
  text-decoration: none;
}

img {
  vertical-align: top;
  border: 0;
}

button,
input,
textarea {
  font-size: 100%;
  vertical-align: middle;
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
}

table {
  border-spacing: 0;
  border-collapse: collapse;
}

div,
a {
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
}